Reviva Reman/Rebuilt Long Block Supreme - 2003-2007 - Cummins ISX 15 - CM870 - CPL 8520 - HP 400 - EPA 04 Long Block Supreme Includes the following - Block - Crankshaft - Cylinder Head - Pistons - Piston Assemblies - Connecting Rods - Upper Gasket Kit - Flywheel Housing - Water Pump - Oil Pan - Oil Pump - Oil Filter - Oil Cooler/Filter Base - Front Gear Housing - Gasket Set - Water Filter - Fuel Filter - Front and rear seals installed - Front cover - Camshaft - Crankcase Breather Element - Valve Cover - Valve Train ( Rocker Arms) - Injector REVIVA?S TESTING Every engine is machined using state-of-the-art equipment and assembled using precise and repeatable methods. All engine production follows documented lean manufacturing processes and principles to create consistent quality and dependable outcomes. Reviva?s Short Block, Long Block, and Long Block Supreme are 100% Sim tested before shipment. WARRANTY COVERAGE Long Block configurations: 1 year/unlimited mileage. Motorhome/RVMotorhome/RV Applications: 1